On this page:

Action status: 9.1 to 9.3

This action contributed to effective and comprehensive water supply and demand planning to ensure the reliability of supply for urban and industrial users. Wannon Water, Barwon Water, Central Highlands Water and GWMWater developed water supply-demand strategies in 2012.

Action 7.2 explains WfV’s current requirements for urban water strategies, and the water corporations revised their water supply-demand strategies as urban water strategies in 2017.

Action status (5-yearly assessment): Achieved and completed

Delivery period: 2011, 2012, 2017

Lake Corangamite is the largest permanent lake in Australia and was listed under the Ramsar Convention in 1982. In the 1950s, the Woady Yaloak Diversion scheme was built to transfer water from the lake to the Barwon River to alleviate flooding on adjacent freehold land.

The scheme reduced flooding issues as intended but it also led to more-frequent low water levels in the lake and increased the lake’s salinity, particularly during the Millennium Drought.

To date, the Cundare Barrage outlet has been enlarged and lowered, and the drainage scheme assets have been maintained at a low operational level. Community concern about increased flood risk has slowed the process for amending the operating rules.

Lake Corangamite is unlikely to be fully restored to its pre-1950s condition, but the action will continue to improve its condition.

In 2022 Corangamite CMA plans to review the operation and continuation of the Woady Yaloak Diversion Scheme after analysing the environmental impact of the system’s operation and predicted and observed climate patterns.

The Progress report confirmed this action is progressing.

Corangamite CMA to review the operation and continuation of the Woady Yaloak Diversion Scheme.

Action status (5-yearly assessment): Partially or not yet achieved

Delivery period: NA

This ongoing action helps to protect waterway health and water quality by ensuring that the catchment is managed appropriately through activities such as fencing, revegetation, weed management and vegetation enhancement.

These complementary works help increase the benefits from delivering water for the environment. CMAs implement integrated catchment management works by implementing their catchment management strategies and regional waterway management strategies.

Integrated catchment management works are funded largely through the Environmental Contribution, and information about achievements is published annually in CMAs’ annual reports.

Action status (5-yearly assessment): Achieved and ongoing

Delivery period: Ongoing

Page last updated: 08/09/23